Back cavity of a club head



FIG. 1 is a back plan view of my new design;

FIG. 2 is a first toe side perspective view thereof;

FIG. 3 is a second toe side perspective view thereof;

FIG. 4 is a heel side perspective view thereof; and,

FIG. 5 is a top side perspective view thereof.

The text and indicia on the back cavity is for illustrative purposes to show potential logos and does not form any portion of the present invention. The portion of the club head outside of the dotted lines is not part of the back cavity and does not form any portion of the present invention. 

The ornamental design for a back cavity of a club head, as shown and described. 